SLEEP
SLEEP
Section: Linux Programmer's Manual (3) Updated: 2010-02-03 Local index
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NAME
sleep - Sleep for the specified number of seconds
SYNOPSIS
#include <unistd.h >
unsigned int sleep(unsigned int seconds );
DESCRIPTION
sleep ()
makes the calling thread sleep until
seconds
seconds have elapsed or a signal arrives which is not ignored.
RETURN VALUE
Zero if the requested time has elapsed,
or the number of seconds left to sleep,
if the call was interrupted by a signal handler.
CONFORMING TO
POSIX.1-2001.
BUGS
sleep ()
may be implemented using
SIGALRM ;
mixing calls to
alarm sleep ()
is a bad idea.
Using
longjmp SIGALRM
while sleeping will cause undefined results.
SEE ALSO
alarm nanosleep signal signal
COLOPHON
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Index
NAME
SYNOPSIS
DESCRIPTION
RETURN VALUE
CONFORMING TO
BUGS
SEE ALSO
COLOPHON
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